What effect did the emancipation proclamation have on how the civil war progressed? select the two correct responses.

1. it decreased the likelihood that european countries would the confederacy.
2. it forced southern states to secede from the union.
3. extended the abolitionists' power to operate the underground railroad.
4.it gave african americans the right to fight in the war.

"but let us admit texas, and we shall place the balance of power in the hands of the texans themselves. they, with the southern states, will control the policy and the destiny of this nation; our tariff will then be held at the will of the texan advocates of free trade. are our friends of the north prepared to deliver over this great national policy to the people of texas? " - rep. joshua giddings, ohio, may 21, 1844 this quote points to what major issue in the years leading up to the civil war?